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Railways Sample Paper RRB (Group D) Sample Test Paper-3

  • question_answer
    A candidate who gets 20% marks in an examination, fails by 30 marks. But if he gets 32% marks, he gets 42 marks more than the minimum pass marks. Find the pass percentage of marks.

    A)  20%                

    B)  25%

    C) (e) 12%            

    D)  52%

    Correct Answer: B

    Solution :

    [b] Let total marks on examination =x. So, minimum passing marks \[=\frac{20}{100}x+30\] \[\frac{20}{100}x+30=\frac{32}{100}x-\,42\] After solving, x = 600. \[\therefore \] Minimum passing marks \[=600\times \frac{20}{100}+30=150\] \[\therefore \]Pass percentage marks \[\frac{150}{600}\times 100=25%\]


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